president obama will travel to nevada tuesday to lay out his vision which overlaps with the senate version. >> the president believes that it's very important that we move forward on comprehensive immigration reform. it's the right thing to do for the country. >> reporter: passage is widely expected in the senate, but the roadblock could come in the house. the rep conservatives have voiced concern -- republican conservatives have voiced concerns about creating paths to citizenships before holes in u.s. border security are closed. in an effort to gather more republican support for these proposals the path to citizenship has some stopgaps built into it. the senators say they will not allow those portions of the reforms to move forward until goals on border security are met. in the newsroom tom fitzgerald, fox 5 news. >> fox 5 political analyst mark plotkin joins us now to help break this down even more. we know this is a bipartisan group of lawmakers besides marco rubio, who are the other key players? >> yes. john mccain who is the standard bearer of the republican party who in 2007 tried to